| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 12/19/2007 | CN200994113Y Large-sized motor liquid-state reduced-voltage reactive compensating soft starting device |
| 12/19/2007 | CN200994112Y Three-phase photovaltaic grid-connected inverter |
| 12/19/2007 | CN200994066Y Domestic single-phase intelligent electricity saver |
| 12/19/2007 | CN200994062Y 智能型配电变压器监控装置 Intelligent power distribution transformer monitoring device |
| 12/19/2007 | CN200994060Y PFC overcurrent protection circuit and air conditioner with same |
| 12/19/2007 | CN200994043Y Intelligent outdoor low voltage feeder box |
| 12/19/2007 | CN200993079Y Wind force generating equipment with arc hydrogen carbon composite general fuel production apparatus |
| 12/19/2007 | CN101091057A Wind park with robust reactive power adjustment system and method for the operation thereof |
| 12/19/2007 | CN101090259A High AC current high RF power ac-rf decoupling filter for plasma reactor heated electrostatic chuck |
| 12/19/2007 | CN101090207A Displacement generater |
| 12/19/2007 | CN101090202A Flexible AC transmitting system based on flywheel energy storage |
| 12/19/2007 | CN101090201A Flexible AC double-feed type wind generating and transmitting system |
| 12/19/2007 | CN100356654C Automatic master-slave parallel apparatus for inverter |
| 12/19/2007 | CN100356653C Terminal energy-saving controller |
| 12/19/2007 | CN100356284C Automatic power factor correction system |
| 12/13/2007 | WO2006078441A3 Fully integrated power storage and supply appliance with power uploading capability |
| 12/13/2007 | US20070284941 Power Cross-Coupler for Power over Ethernet |
| 12/12/2007 | CN200990512Y Full automatic power-saving system |
| 12/12/2007 | CN200990511Y Three phase positive/negative sequence and zero sequence harmonic electric filter |
| 12/12/2007 | CN101088201A Electric power flow control |
| 12/12/2007 | CN101087069A An intelligent distributed power supply system with plural distributed power unit |
| 12/12/2007 | CN101086925A Intelligent compound switch |
| 12/12/2007 | CN101085601A Power supply system and method for rail vehicles, converter, pilot unit, air conditioner for said system |
| 12/12/2007 | CN100355178C Method and apparatus for combined tandem type active fundamental wave electric power reactive compensation and filtering |
| 12/12/2007 | CN100355177C Mixed THF based on symmetrical component method |
| 12/12/2007 | CN100355176C Wireless parallel control method and system |
| 12/12/2007 | CN100354777C Integrated protection, monitoring and control system |
| 12/11/2007 | US7307361 Medium voltage power converter formed using low voltage drives |
| 12/11/2007 | US7307357 Method and system to increase the throughput of a communications system that uses an electrical power distribution system as a communications pathway |
| 12/09/2007 | CA2585835A1 Power supply system and method for rail vehicles, converter, pilot unit, air conditioner for said system |
| 12/06/2007 | WO2007140370A2 Geometrically optimized electrical signal/power distribution device having a multiple surface receptacle arrangement |
| 12/06/2007 | WO2007139461A1 Thyristor controlled series capacitor adapted to damp sub synchronous resonances |
| 12/06/2007 | WO2007139202A1 Power controller and vehicle equipped with power controller |
| 12/06/2007 | WO2007137539A1 System comprising at least two guideway-related guideway components of a track guideway and a transformer station |
| 12/06/2007 | WO2006091565A3 Independent automatic shedding branch circuit breaker |
| 12/06/2007 | US20070279947 High-Voltage Direct-Current Transmission Device |
| 12/06/2007 | US20070278859 Voltage transformer with mechanically actuated voltage-selected switches |
| 12/06/2007 | US20070278857 Mid-Link Powered Device for Power over Ethernet |
| 12/06/2007 | DE19829424B4 Gleichpoliges Filter DC-pole filter |
| 12/05/2007 | EP1863146A1 Control system and method for voltage stabilization |
| 12/05/2007 | EP1861914A1 Inverter |
| 12/05/2007 | CN200987073Y High-voltage reactive dynamic compensation and filter arrangement on pole |
| 12/05/2007 | CN200987072Y Wind power generation plant based on DC electric generator |
| 12/05/2007 | CN200987071Y Intelligent electricity economizer for three-phase AC power supply system |
| 12/05/2007 | CN200986587Y Harmonic current and induction reactive power generator |
| 12/05/2007 | CN101084522A Reducing the cost of distributed electricity generation through opportunity generation |
| 12/05/2007 | CN101083399A Z source power transformation based photovoltaic network inverter |
| 12/05/2007 | CN101083398A Power factor correcting converter |
| 12/05/2007 | CN101083397A Series-parallel isolation passive power filter |
| 12/05/2007 | CN100353639C Photoelectricity triggering and detecting system for static reactive-load compensation equipment based on multi-mode optical fibre |
| 12/05/2007 | CN100353638C Static reactive-load compensation equipment monitoring realizing method based on event burst |
| 12/05/2007 | CN100353637C Active harmonic suppressor |
| 12/05/2007 | CN100353636C Large capacity parallel active filter |
| 12/05/2007 | CA2590137A1 Integrated power factor correction capacitance unit |
| 12/04/2007 | US7305291 Mobile energy management system |
| 12/04/2007 | US7305282 Very short term load prediction in an energy management system |
| 12/04/2007 | US7305281 Methods and systems for the management of a bulk electric power market |
| 12/04/2007 | US7304835 Mainframe and power supply arrangement |
| 12/04/2007 | US7304403 Power signaling based technique for detecting islanding conditions in electric power distribution systems |
| 12/01/2007 | CA2590442A1 Welding current source for a welding apparatus |
| 11/29/2007 | WO2007135429A2 Electricity supply control device |
| 11/29/2007 | US20070276547 Optimized Energy Management System |
| 11/29/2007 | US20070273342 Electric power supply apparatus and method of synchronously operating power converter |
| 11/29/2007 | US20070273335 Method and Circuit for Using Polarized Device in AC Applications |
| 11/29/2007 | US20070273214 System and method for connecting power sources to a power system |
| 11/29/2007 | US20070273208 Automatic Sensing Power Systems and Methods |
| 11/29/2007 | US20070273205 Communication system for use in data communications between power generator and external unit |
| 11/29/2007 | US20070273155 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method |
| 11/28/2007 | EP1860750A2 Electric power supply apparatus and method of synchronously operating power converter |
| 11/28/2007 | EP1668450A4 Wide-area electrical demand and supply management |
| 11/28/2007 | EP1509984B1 High-frequency generator |
| 11/28/2007 | CN200983697Y Intelligent cutting light voltage stabilizing power saving case |
| 11/28/2007 | CN200983508Y Comparison circuit of active power filter |
| 11/28/2007 | CN200983507Y Intelligent energy-saving integration device |
| 11/28/2007 | CN200983506Y Three-phase general compensation energy-saver |
| 11/28/2007 | CN200983505Y Remote optical communication power supply device based on feedback optical cable |
| 11/28/2007 | CN200983467Y Remote intelligent integrated distribution box |
| 11/28/2007 | CN200983115Y Onsite tracking non-power compensation regulator |
| 11/28/2007 | CN101080861A 电功率流控制 Electric power flow control |
| 11/28/2007 | CN101079196A Power factor compensation experiment instrument |
| 11/28/2007 | CN100352132C Parallel operating system for uninterrupible power units |
| 11/28/2007 | CN100352125C Capacitor and series reactor synchronous capacitance and reactance modulation switch |
| 11/28/2007 | CN100352124C Method for controlling, restraining and eliminating voltage network harmonic of transformer magnetic circuit |
| 11/28/2007 | CN100352123C Frequency-variable transmission system |
| 11/27/2007 | US7301787 Active type harmonic suppression apparatus |
| 11/27/2007 | US7301738 Method and apparatus for minimally invasive network monitoring |
| 11/26/2007 | CA2585110A1 Current-transformed power source connecting circuit device |
| 11/22/2007 | WO2007131915A1 Detection and delimitation of maximum stator currents |
| 11/22/2007 | WO2006099298A3 Power supply for underground and pad mounted power distribution systems |
| 11/22/2007 | US20070271173 Bidding for energy supply |
| 11/22/2007 | DE102006024594A1 Vorrichtung zum Versorgen elektrischer Verbraucher A device for supplying electrical loads |
| 11/22/2007 | DE102006023252A1 Verfahren zur Minimierung der Oberleitungsverluste und Energiekosten des von einem statischen Umrichterwerk gespeisten Oberleitungsnetzes und zur Online-Bestimmung der Oberleitungsimpedanzen und der Informationen über die Streckenlasten A method for minimizing the overhead line losses and energy costs of a static converter station powered overhead line network and the on-line determination of the overhead line impedances and the information on the line loads |
| 11/22/2007 | CA2651617A1 Detection and delimitation of maximum stator currents |
| 11/21/2007 | EP1858132A2 Method and apparatus for hot swap of line replaceable modules for ac and dc electric power systems |
| 11/21/2007 | EP1660917B1 Method and system for predicting solar energy production |
| 11/21/2007 | CN200980029Y An excited motor with variable speed and frequency and a double rotor in intussusception type |
| 11/21/2007 | CN200979992Y A reactive compensation device of an intelligent hurl slices switch with contact points |
| 11/21/2007 | CN200979991Y An intelligent power saver |
| 11/21/2007 | CN200979990Y A dynamic and static combined type power filter device |
| 11/21/2007 | CN200979571Y A load sample circuit |